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POST
/
crypto
/
swaps
/
execute
curl -X POST https://secureapi.gridlog.io/api/v1/crypto/swaps/execute \
  -H "X-API-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "chain": "polygon",
    "sellToken": "0x0000000000000000000000000000000000001010",
    "buyToken": "0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174",
    "amount": "10.0",
    "privateKey": "0xPRIVATE_KEY...",
    "slippageBps": 50
  }'

{
  "txHash": "0xabcdef...",
  "success": true
}
​
chain
string
required
Blockchain network (e.g., polygon, ethereum, solana)
​
sellToken
string
required
Token to sell — contract address or mint address
​
buyToken
string
required
Token to buy — contract address or mint address
​
amount
string
required
Amount of sellToken to swap (human-readable string)
​
privateKey
string
required
Private key of the sender wallet for signing the transaction
​
toAddress
string
Recipient address for the bought tokens (required for Solana)
​
slippageBps
number
Maximum acceptable slippage in basis points (default: 50 = 0.5%)
curl -X POST https://secureapi.gridlog.io/api/v1/crypto/swaps/execute \
  -H "X-API-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "chain": "polygon",
    "sellToken": "0x0000000000000000000000000000000000001010",
    "buyToken": "0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174",
    "amount": "10.0",
    "privateKey": "0xPRIVATE_KEY...",
    "slippageBps": 50
  }'

{
  "txHash": "0xabcdef...",
  "success": true
}
​
txHash
string
On-chain transaction hash for the swap
​
success
boolean
Whether the swap transaction was successfully broadcast
Swaps are executed immediately at market price. Use slippageBps to protect against unfavorable price movement.